Blazon: Per quarterly I and IV azure a bend of five lozenges conjoined or, II and III per pale indented or and gules, overall on a cross ermine a mitre proper
Crest: On a wreath or and azure issuant from a mural crown or charged with a Tudor rose a dexter arm embowed holding a hammer all proper
Supporters: On the dexter a figure representing Art proper vested argent wreathed with laurel vert tied by a riband gules, holding in the sinister hand resting on the shield a book bound of the last and in the dexter a palette with two brushes proper; on the sinister a figure representing Industry habited as a smith, holding in the dexter hand resting on the shield a cupel and in the sinister a hammer resting on an anvil all proper
Mantling: Azure lined or
Both coats quartered here were used by the de Bermingham family at various points in time. The family also quartered the coats, but in opposite quarters; the city changed the order for difference. The city was previously granted arms in 1889, which used a fess ermine instead of a cross, and a mural crown instead of a mitre. The supporters in the previous arms were also reversed, with Industry on the dexter and Art on the sinister.
Blazon: Vert a castle triple-towered or windowed gules supported by two lions counter-rampant and rampant of the second, issuant from the center tower a dexter arm in armor bearing a sword within a circle of seven molets of eight points, four on the dexter and three on the sinister argent, in chief a crown of the second
Blazon: Argent a bend sable between three castles triple-towered gules windowed argent, 2 in chief, 1 in base between two lions rampant combatant of the third and issuant from the ramparts a dexter arm in armor bearing a sword in bend sinister of the fourth; in base three barrulets wavy of the last
Blazon: Party of seven; I per pale or a bull counter-salient and argent a lion rampant gules, pointé in base vert (Toro); II argent on a bridge or over water in base barry wavy azure between two towers of the first windowed gules, a representation of the Virgin Mary holding the baby Jesus, both crowned proper (Benavente); III argent an escutcheon barry azure and or charged with a sun in splendor of the last (Villalpando); IV gules two towers or windowed azure, pointé in base argent a lion rampant of the first (Alcañices); V azure a saltire between four fleurs-de-lis or within a bordure of the first charged with eight crescents argent (Puebla de Sanabria); VI or a castle triple-towered of the first masoned and windowed sable (Bermillo de Sayago); VII argent a double-headed eagle displayed sable armed gules, crowned proper, between two pennons addorsed in chief per fess of the field and the third (Fuentesaúco); overall in the fess point an escutcheon per pale i argent an arm armored proper issuant from the sinister holding a flag gules and ii argent on a base vert a pale wavy barry wavy argent and azure and a bridge between two towers proper (Zamora)